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Bore and Hole Gages
Hole and Slot Gages
Starrett 831A Small Hole Gage .125-.200"/3.2-5.1mm 2-13/16"/70mm Length
Starrett 831A Small Hole Gage
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Starrett 831A Small Hole Gage .125-.200"/3.2-5.1mm 2-13/16"/70mm Length
Part Number: :
831A
MFG ID:
53083
Starrett 831 Series Small Hole Gage; .125-.200" / 3.2-5.1mm Range, 2-13/16" / 70mm Approx. Length
Your Price
$37.36
Retail Price:
$41.50
Your Savings:
$4.14
(10%)
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The Starrett 831 Series Small Hole Gages are well balanced tools that are ideal for accurately measuring small holes, slots, grooves and recesses in all kinds of work. They all feature a hardened-ball measuring surface with two-point contact, the radius on each gage is less than the minimum diameter to be measured, which provides the two-point contact necessary for maximum accuracy. All have a smooth, sensitive adjustment for better feel, giving more accurate measurements and the adjustment of the gage beyond their Range is restricted by a safety stop that prevents breakage. Accurate measurements are obtained by slightly "rocking" these gages in the hole to be measured. This will guarantee contact at the true diameter. The final size is then obtained by measuring over the ball contacts with a micrometer. This model has a measuring Range of .125-.200" / 3.2-5.1mm and is approximately 2-13/16" / 70mm in length. This series permits use in even the most shallow holes, slots and recesses due to the half-ball, flat bottom gaging surface.
Hardened-ball measuring surface with two-point contact
Radius on each gage is less than the minimum diameter to be measured, which provides the two-point contact necessary for maximum accuracy
Smooth, sensitive adjustment for better feel, giving more accurate measurements
The adjustment of the gage beyond their range is restricted by a safety stop that prevents breakage
Range:
.125-.200" / 3.2-5.1mm
Type:
Small Hole
Site Sort
350
Starrett 831 Series Small Hole Gages
Bore and Hole Gages > Hole and Slot Gages, GPC: Hardware > Tools > Measuring Tools & Sensors > Gauges, Label2: Bore and Hole Gages
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ABOUT
PRODUCTS
SPECIALS On Sale!
Air Gages
Bore and Hole Gages
Calipers
CMMs Coordinate Measuring
CMM Sensors-Probes-Styli
Computed Tomography
Data Collection
Depth Gages
Fixture Systems
Force and Torque
Gage Blocks
Granite Surface Plates
Hardness Testing
Height Gages
Indicators and Probes
Laboratory Equipment
Length Measuring ULMs
Linear Scales and DROs
LVDTs and Linear Probes
Metallography
Micrometers
Micrometers-Bench Laser
Microscopes
Optical Comparators
Optical Metrology
Reference and Feeler Gages
Roundness and Form
Scales and Balances
Shaft Metrology
Snap Gages
Surface and Contour Systems
Surface Profilometers
Temperature and Moisture
Thickness Gages
Torque Tools
Used Equipment
Vision Systems
Workshop Tools
X-Ray Imaging Systems
BRANDS
SERVICES
Calibration Services
Metrology Services
Repair Services
Classes and Training
Metrology Pre-Op
RESOURCES
Careers with MSI
Financing
Literature
MSI-TV
News and Information
USED EQUIPMENT
ZEISS
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